20457556

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6703}}^1$

素因数の和:6823

約数の個数: 24

約数和(自身を含む): 41296640

約数和(自身を除く): 20839084

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 6703, 13406, 26812, 46921, 93842, 187684, 730627, 1461254, 2922508, 5114389, 10228778, 20457556]

約数ペア:

[(1, 20457556), (2, 10228778), (4, 5114389), (7, 2922508), (14, 1461254), (28, 730627), (109, 187684), (218, 93842), (436, 46921), (763, 26812), (1526, 13406), (3052, 6703)]